<%@ page language="java" import="java.util.*,java.sql.*"
	pageEncoding="utf-8"%>
<%
	String path = request.getContextPath();
	String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort()
			+ path + "/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'kemu.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

</head>

<body>

	<%
		try {
			Class.forName("com.mysql.jdbc.Driver");
			String url = "jdbc:mysql://localhost:3306/school";
			Connection con = DriverManager.getConnection(url, "root", "1234");
			String sql = "select gname from grade ";
			PreparedStatement ps = con.prepareStatement(sql);
			ResultSet rs = ps.executeQuery();
			out.print(1);
			while (rs.next()) {
				out.println(rs.getString(1) + "<br />");
			}
			rs.close();
			ps.close();
			con.close();
		} catch (Exception e) {
			out.print(e);
		}
	%>
	<p><a href="kemu1.jsp" target="_blank">添加新课程</a></p>
</body>

</html>
